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54 | <div class="section" id="overview-of-postman-s-architecture">
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55 | <h1><a class="toc-backref" href="#id1">Overview of postman’s architecture</a><a class="headerlink" href="#overview-of-postman-s-architecture" title="Permalink to this headline">¶</a></h1>
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56 | <div class="contents topic" id="contents">
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57 | <p class="topic-title first">Contents</p>
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58 | <ul class="simple">
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59 | <li><a class="reference internal" href="#overview-of-postman-s-architecture" id="id1">Overview of postman’s architecture</a><ul>
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60 | <li><a class="reference internal" href="#introduction" id="id2">Introduction</a></li>
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61 | <li><a class="reference internal" href="#postman-daemon" id="id3">Postman daemon</a></li>
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62 | <li><a class="reference internal" href="#mta-client" id="id4">MTA client</a></li>
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63 | <li><a class="reference internal" href="#cli-client" id="id5">CLI client</a></li>
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64 | <li><a class="reference internal" href="#web-client" id="id6">Web client</a></li>
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65 | </ul>
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66 | </li>
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67 | </ul>
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68 | </div>
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69 | <div class="section" id="introduction">
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70 | <h2><a class="toc-backref" href="#id2">Introduction</a><a class="headerlink" href="#introduction" title="Permalink to this headline">¶</a></h2>
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71 | <p>Postman has been designed following a <strong>multi-component structure</strong>. There is
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72 | <strong>a daemon</strong> that manage the mailing lists and members information in a storage
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73 | backend and there are <strong>different kinds of clients</strong> (currently, three of them)
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74 | that <strong>interact with the daemon using a XMLRPC link</strong>.</p>
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75 | <p>This is the scheme of the architecture:</p>
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76 | <img alt="Scheme of the architecture behind Postman" class="open-fancybox" src="_images/postman_architecture.png" />
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77 | </div>
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78 | <div class="section" id="postman-daemon">
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79 | <span id="overview-postman-daemon"></span><h2><a class="toc-backref" href="#id3">Postman daemon</a><a class="headerlink" href="#postman-daemon" title="Permalink to this headline">¶</a></h2>
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80 | <p>The daemon will perform all the operations regarding the management of the
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81 | mailing lists and members. The daemon will save information of a given
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82 | mailing list to the storage backend, and will read information of already
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83 | saved lists from there too.</p>
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84 | <p>It listens for incoming XMLRPC requests on a given tcp port, allowing clients
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85 | to add/update/delete data from the backend.</p>
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86 | </div>
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87 | <div class="section" id="mta-client">
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88 | <span id="overview-postman-mta-client"></span><h2><a class="toc-backref" href="#id4">MTA client</a><a class="headerlink" href="#mta-client" title="Permalink to this headline">¶</a></h2>
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89 | <p>This client is attached to a given MTA, and is called but the MTA itself when
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90 | emails for a mailing lists are received. The client performs some checks on the
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91 | backend to tell the MTA what it has to do with the incoming emails.</p>
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92 | </div>
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93 | <div class="section" id="cli-client">
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94 | <span id="overview-postman-cli-client"></span><h2><a class="toc-backref" href="#id5">CLI client</a><a class="headerlink" href="#cli-client" title="Permalink to this headline">¶</a></h2>
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95 | <p>This is a shell-like interface that can be used to add mailing lists to a given
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96 | Postman server, edit such mailing lists information, add members, etc.</p>
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97 | </div>
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98 | <div class="section" id="web-client">
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99 | <span id="overview-postman-web-client"></span><h2><a class="toc-backref" href="#id6">Web client</a><a class="headerlink" href="#web-client" title="Permalink to this headline">¶</a></h2>
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100 | <p>This is a small <em>webapp</em> that can be used to perform the same management
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101 | operations you can achieve using the
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102 | <a class="reference internal" href="#overview-postman-cli-client"><em>CLI client</em></a>.</p>
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112 | <h3><a href="index.html">Table Of Contents</a></h3>
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113 | <ul>
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114 | <li><a class="reference internal" href="#">Overview of postman’s architecture</a><ul>
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115 | <li><a class="reference internal" href="#introduction">Introduction</a></li>
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116 | <li><a class="reference internal" href="#postman-daemon">Postman daemon</a></li>
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117 | <li><a class="reference internal" href="#mta-client">MTA client</a></li>
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118 | <li><a class="reference internal" href="#cli-client">CLI client</a></li>
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119 | <li><a class="reference internal" href="#web-client">Web client</a></li>
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129 | title="next chapter">Installation instructions</a></p>
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